export default class shop {
  constructor(canvasContext) {
    this.ctx = canvasContext;
    // 其他初始化...
    console.log('constructor' + this.ctx); 
  }
  draw() {
    // 绘制商店Tab页的内容
    console.log("draw" + this.ctx);
    this.ctx.fillText('Welcome to the Shop', 50, 50); // 示例
  }
}